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<title>mrpt::utils::CFileGZInputStream Class Reference</title>
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<li class="navelem"><a class="el" href="namespacemrpt.html">mrpt</a> </li>
<li class="navelem"><a class="el" href="namespacemrpt_1_1utils.html">utils</a> </li>
<li class="navelem"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html">CFileGZInputStream</a> </li>
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<a href="#pub-types">Public Types</a> |
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<a href="#pri-attribs">Private Attributes</a> </div>
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<div class="title">mrpt::utils::CFileGZInputStream Class Reference<div class="ingroups"><a class="el" href="group__mrpt__base__grp.html">[mrpt-base]</a></div></div> </div>
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<!-- doxytag: class="mrpt::utils::CFileGZInputStream" --><!-- doxytag: inherits="mrpt::utils::CStream,mrpt::utils::CUncopiable" --><hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Transparently opens a compressed "gz" file and reads uncompressed data from it. </p>
<p>If the file is not a .gz file, it silently reads data from the file. This class requires compiling MRPT with wxWidgets. If wxWidgets is not available then the class is actually mapped to the standard <a class="el" href="classmrpt_1_1utils_1_1_c_file_input_stream.html" title="This CStream derived class allow using a file as a read-only, binary stream.">CFileInputStream</a></p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_file_input_stream.html" title="This CStream derived class allow using a file as a read-only, binary stream.">CFileInputStream</a> </dd></dl>
</div>
<p><code>#include <<a class="el" href="_c_file_g_z_input_stream_8h_source.html">mrpt/utils/CFileGZInputStream.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for mrpt::utils::CFileGZInputStream:</div>
<div class="dyncontent">
<div class="center"><img src="classmrpt_1_1utils_1_1_c_file_g_z_input_stream__inherit__graph.png" border="0" usemap="#mrpt_1_1utils_1_1_c_file_g_z_input_stream_inherit__map" alt="Inheritance graph"/></div>
<map name="mrpt_1_1utils_1_1_c_file_g_z_input_stream_inherit__map" id="mrpt_1_1utils_1_1_c_file_g_z_input_stream_inherit__map">
<area shape="rect" id="node2" href="classmrpt_1_1utils_1_1_c_stream.html" title="This base class is used to provide a unified interface to files,memory buffers,..Please see the deriv..." alt="" coords="5,5,144,32"/><area shape="rect" id="node4" href="classmrpt_1_1utils_1_1_c_uncopiable.html" title="The base class of classes that cannot be copied: compile-time errors will be issued on any copy opera..." alt="" coords="169,5,332,32"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059">TSeekOrigin</a> { <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059a41fe2275587eb7fb10ddbddd86af2beb">sFromBeginning</a> = 0,
<a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059ad45b9078d6eec3c607e7df0b7a2c66c0">sFromCurrent</a> = 1,
<a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059ad1818126a04dd7285e23554157f9f309">sFromEnd</a> = 2
}</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Used in <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a2f3bc9d222cb31abf8d759591142fe84" title="Introduces a pure virtual method for moving to a specified position in the streamed resource...">CStream::Seek</a>. <a href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059">More...</a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a8578ffd18c617a67d18173e3b41b6360">CFileGZInputStream</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor without open. <a href="#a8578ffd18c617a67d18173e3b41b6360"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a86edaf2278c7e259f6e73897d96db521">CFileGZInputStream</a> (const <a class="el" href="classstd_1_1string.html">std::string</a> &fileName)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor and open. <a href="#a86edaf2278c7e259f6e73897d96db521"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a8a476ff69f143443e36d73c4305ee5fa">~CFileGZInputStream</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#a8a476ff69f143443e36d73c4305ee5fa"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#af2266cd20e92eaece381946c089fcc63">open</a> (const <a class="el" href="classstd_1_1string.html">std::string</a> &fileName)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Opens the file for read. <a href="#af2266cd20e92eaece381946c089fcc63"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a364e42033f07bc7fef7833867fff358a">close</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Closes the file. <a href="#a364e42033f07bc7fef7833867fff358a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a9169215f1a943dc5d2ccdc425b491871">fileOpenCorrectly</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Says if file was open successfully or not. <a href="#a9169215f1a943dc5d2ccdc425b491871"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a0827febc2dfd64517b6cc3fe49eea010">checkEOF</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Will be true if EOF has been already reached. <a href="#a0827febc2dfd64517b6cc3fe49eea010"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a378412baf89b2cd887de644923b9d99d">getTotalBytesCount</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method for getting the total number of <b>compressed</b> bytes of in the file (the physical size of the compressed file). <a href="#a378412baf89b2cd887de644923b9d99d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a02948dedf47d575122e95504b4fcad08">getPosition</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method for getting the current cursor position in the <b>compressed</b>, where 0 is the first byte and TotalBytesCount-1 the last one. <a href="#a02948dedf47d575122e95504b4fcad08"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a763abd781d2aee800ded553f57fa096d">Seek</a> (long Offset, <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059">CStream::TSeekOrigin</a> Origin=sFromBeginning)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This method is not implemented in this class. <a href="#a763abd781d2aee800ded553f57fa096d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1b8cd3d084b5a95a3f65c6eed6e7cc6d">ReadBuffer</a> (void *Buffer, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads a block of bytes from the stream into Buffer </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error, or if ZERO bytes are read. </td></tr>
</table>
</dd>
</dl>
<a href="#a1b8cd3d084b5a95a3f65c6eed6e7cc6d"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">size_t </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ab3f8382b9a971abc79414464fffc7937">ReadBufferFixEndianness</a> (T *ptr, size_t ElementCount)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads a sequence of elemental datatypes, taking care of reordering their bytes from the MRPT stream standard (little endianness) to the format of the running architecture. <a href="#ab3f8382b9a971abc79414464fffc7937"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aa38fe9bc49615cfae5de267903b2399b">ReadBufferImmediate</a> (void *Buffer, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads a block of bytes from the stream into Buffer, and returns the amound of bytes actually read, without waiting for more extra bytes to arrive (just those already enqued in the stream). <a href="#aa38fe9bc49615cfae5de267903b2399b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a276005e7110c9de74ff3277b3f7bf621">WriteBuffer</a> (const void *Buffer, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Writes a block of bytes to the stream from Buffer. <a href="#a276005e7110c9de74ff3277b3f7bf621"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ae229ab566ba2b9e6d2c39e32c2a9ecab">WriteBufferFixEndianness</a> (const T *ptr, size_t ElementCount)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Writes a sequence of elemental datatypes, taking care of reordering their bytes from the running architecture to MRPT stream standard (little endianness). <a href="#ae229ab566ba2b9e6d2c39e32c2a9ecab"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a3d0bf6d8bf299f8c2bf08dc2798a525f">CopyFrom</a> (<a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> *Source, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copies a specified number of bytes from one stream to another. <a href="#a3d0bf6d8bf299f8c2bf08dc2798a525f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aa0e9fb01aaced829b0043d50bf616c03">WriteObject</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> *o)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Writes an object to the stream. <a href="#aa0e9fb01aaced829b0043d50bf616c03"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structmrpt_1_1utils_1_1_c_serializable_ptr.html">CSerializablePtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a290510e87656433dfd093cc31d34371c">ReadObject</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads an object from stream, its class determined at runtime, and returns a smart pointer to the object. <a href="#a290510e87656433dfd093cc31d34371c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a097cb147fd764a0fa7d86de9734fce3c">ReadObject</a> (<a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> *existingObj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads an object from stream, where its class must be the same as the supplied object, where the loaded object will be stored in. <a href="#a097cb147fd764a0fa7d86de9734fce3c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a0bbc0a924370c19c8afcd809272af0a9">operator<<</a> (const <a class="el" href="structmrpt_1_1utils_1_1_c_serializable_ptr.html">CSerializablePtr</a> &pObj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write an object to a stream in the binary MRPT format. <a href="#a0bbc0a924370c19c8afcd809272af0a9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1b7e00957f3d9c15b2e689a43084e592">operator<<</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> &obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write an object to a stream in the binary MRPT format. <a href="#a1b7e00957f3d9c15b2e689a43084e592"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a47ecf9142e139b0b48526c2792bebe99">operator>></a> (<a class="el" href="structmrpt_1_1utils_1_1_c_serializable_ptr.html">CSerializablePtr</a> &pObj)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aeb5ef746d5dc057e535f5188c5e01d74">operator>></a> (<a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> &obj)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1e02f8771e15e54157cda18fb63872a3">printf</a> (const char *fmt,...) MRPT_printf_format_check(2</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Writes a string to the stream in a textual form. <a href="#a1e02f8771e15e54157cda18fb63872a3"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">virtual int void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ab93e0c6185c8c3b82abd067962650947">printf_vector</a> (const char *fmt, const <a class="el" href="classstd_1_1vector.html">std::vector</a>< T > &V)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Prints a vector in the format [A,B,C,...] using <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1e02f8771e15e54157cda18fb63872a3" title="Writes a string to the stream in a textual form.">CStream::printf</a>, and the fmt string for <b>each</b> vector element. <a href="#ab93e0c6185c8c3b82abd067962650947"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a108c4d9cadd58b1ec0800c6c4816ff55">sendMessage</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_message.html">utils::CMessage</a> &msg)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Send a message to the device. <a href="#a108c4d9cadd58b1ec0800c6c4816ff55"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a95eb299dfa91e1d5962e2acd5bb671a6">receiveMessage</a> (<a class="el" href="classmrpt_1_1utils_1_1_c_message.html">utils::CMessage</a> &msg)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Tries to receive a message from the device. <a href="#a95eb299dfa91e1d5962e2acd5bb671a6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a4e9a487df9170de72ae0ecc21bc4e867">getline</a> (<a class="el" href="classstd_1_1string.html">std::string</a> &out_str)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads from the stream until a '<br/>
' character is found ('' characters are ignored). <a href="#a4e9a487df9170de72ae0ecc21bc4e867"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a637f65c35e202ccc0fd69ac0a2915a32">Read</a> (void *Buffer, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method responsible for reading from the stream. <a href="#a637f65c35e202ccc0fd69ac0a2915a32"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a5d368865a45491a8de705b5665da02f5">Write</a> (const void *Buffer, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method responsible for writing to the stream. <a href="#a5d368865a45491a8de705b5665da02f5"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pri-attribs"></a>
Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a7617f22613148e60ba152b58b1f7b63c">m_f</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#afeacf25bc9181694b0c2dadd2247e87e">m_file_size</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Compressed file size. <a href="#afeacf25bc9181694b0c2dadd2247e87e"></a><br/></td></tr>
</table>
<hr/><h2>Member Enumeration Documentation</h2>
<a class="anchor" id="aab22931626d22c919a50183386d24059"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::TSeekOrigin" ref="aab22931626d22c919a50183386d24059" args="" -->
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<td class="memname">enum <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059">mrpt::utils::CStream::TSeekOrigin</a><code> [inherited]</code></td>
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</table>
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<div class="memdoc">
<p>Used in <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a2f3bc9d222cb31abf8d759591142fe84" title="Introduces a pure virtual method for moving to a specified position in the streamed resource...">CStream::Seek</a>. </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="aab22931626d22c919a50183386d24059a41fe2275587eb7fb10ddbddd86af2beb"></a><!-- doxytag: member="sFromBeginning" ref="aab22931626d22c919a50183386d24059a41fe2275587eb7fb10ddbddd86af2beb" args="" -->sFromBeginning</em> </td><td>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="aab22931626d22c919a50183386d24059ad45b9078d6eec3c607e7df0b7a2c66c0"></a><!-- doxytag: member="sFromCurrent" ref="aab22931626d22c919a50183386d24059ad45b9078d6eec3c607e7df0b7a2c66c0" args="" -->sFromCurrent</em> </td><td>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="aab22931626d22c919a50183386d24059ad1818126a04dd7285e23554157f9f309"></a><!-- doxytag: member="sFromEnd" ref="aab22931626d22c919a50183386d24059ad1818126a04dd7285e23554157f9f309" args="" -->sFromEnd</em> </td><td>
</td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_c_stream_8h_source.html#l00060">60</a> of file <a class="el" href="_c_stream_8h_source.html">CStream.h</a>.</p>
</div>
</div>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a8578ffd18c617a67d18173e3b41b6360"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::CFileGZInputStream" ref="a8578ffd18c617a67d18173e3b41b6360" args="()" -->
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<td class="memname">mrpt::utils::CFileGZInputStream::CFileGZInputStream </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Constructor without open. </p>
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<a class="anchor" id="a86edaf2278c7e259f6e73897d96db521"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::CFileGZInputStream" ref="a86edaf2278c7e259f6e73897d96db521" args="(const std::string &fileName)" -->
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<td class="memname">mrpt::utils::CFileGZInputStream::CFileGZInputStream </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classstd_1_1string.html">std::string</a> & </td>
<td class="paramname"><em>fileName</em></td><td>)</td>
<td></td>
</tr>
</table>
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<div class="memdoc">
<p>Constructor and open. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">fileName</td><td>The file to be open in this stream </td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>If there's an error opening the file. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a8a476ff69f143443e36d73c4305ee5fa"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::~CFileGZInputStream" ref="a8a476ff69f143443e36d73c4305ee5fa" args="()" -->
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<td class="memname">virtual mrpt::utils::CFileGZInputStream::~CFileGZInputStream </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [virtual]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>Destructor. </p>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a0827febc2dfd64517b6cc3fe49eea010"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::checkEOF" ref="a0827febc2dfd64517b6cc3fe49eea010" args="()" -->
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<td class="memname">bool mrpt::utils::CFileGZInputStream::checkEOF </td>
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<div class="memdoc">
<p>Will be true if EOF has been already reached. </p>
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</div>
<a class="anchor" id="a364e42033f07bc7fef7833867fff358a"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::close" ref="a364e42033f07bc7fef7833867fff358a" args="()" -->
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<td class="memname">void mrpt::utils::CFileGZInputStream::close </td>
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<div class="memdoc">
<p>Closes the file. </p>
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<a class="anchor" id="a3d0bf6d8bf299f8c2bf08dc2798a525f"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::CopyFrom" ref="a3d0bf6d8bf299f8c2bf08dc2798a525f" args="(CStream *Source, size_t Count)" -->
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<td class="memname">size_t mrpt::utils::CStream::CopyFrom </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> * </td>
<td class="paramname"><em>Source</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inherited]</code></td>
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<div class="memdoc">
<p>Copies a specified number of bytes from one stream to another. </p>
</div>
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<a class="anchor" id="a9169215f1a943dc5d2ccdc425b491871"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::fileOpenCorrectly" ref="a9169215f1a943dc5d2ccdc425b491871" args="()" -->
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<td class="memname">bool mrpt::utils::CFileGZInputStream::fileOpenCorrectly </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<div class="memdoc">
<p>Says if file was open successfully or not. </p>
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</div>
<a class="anchor" id="a4e9a487df9170de72ae0ecc21bc4e867"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::getline" ref="a4e9a487df9170de72ae0ecc21bc4e867" args="(std::string &out_str)" -->
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<td class="memname">bool mrpt::utils::CStream::getline </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classstd_1_1string.html">std::string</a> & </td>
<td class="paramname"><em>out_str</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Reads from the stream until a '<br/>
' character is found ('' characters are ignored). </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>false on EOF or any other read error. </dd></dl>
</div>
</div>
<a class="anchor" id="a02948dedf47d575122e95504b4fcad08"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::getPosition" ref="a02948dedf47d575122e95504b4fcad08" args="()" -->
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<td class="memname">uint64_t mrpt::utils::CFileGZInputStream::getPosition </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [virtual]</code></td>
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<p>Method for getting the current cursor position in the <b>compressed</b>, where 0 is the first byte and TotalBytesCount-1 the last one. </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a4b7674b79b6c69683c30bc9e7302c88f">mrpt::utils::CStream</a>.</p>
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<a class="anchor" id="a378412baf89b2cd887de644923b9d99d"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::getTotalBytesCount" ref="a378412baf89b2cd887de644923b9d99d" args="()" -->
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<td class="memname">uint64_t mrpt::utils::CFileGZInputStream::getTotalBytesCount </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [virtual]</code></td>
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<div class="memdoc">
<p>Method for getting the total number of <b>compressed</b> bytes of in the file (the physical size of the compressed file). </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a86ad2f8a14100b0d793bbf88d4b6f3c1">mrpt::utils::CStream</a>.</p>
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<a class="anchor" id="af2266cd20e92eaece381946c089fcc63"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::open" ref="af2266cd20e92eaece381946c089fcc63" args="(const std::string &fileName)" -->
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<td>(</td>
<td class="paramtype">const <a class="el" href="classstd_1_1string.html">std::string</a> & </td>
<td class="paramname"><em>fileName</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Opens the file for read. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">fileName</td><td>The file to be open in this stream </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>false if there's an error opening the file, true otherwise </dd></dl>
</div>
</div>
<a class="anchor" id="a0bbc0a924370c19c8afcd809272af0a9"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::operator<<" ref="a0bbc0a924370c19c8afcd809272af0a9" args="(const CSerializablePtr &pObj)" -->
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<td class="memname"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a>& mrpt::utils::CStream::operator<< </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structmrpt_1_1utils_1_1_c_serializable_ptr.html">CSerializablePtr</a> & </td>
<td class="paramname"><em>pObj</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Write an object to a stream in the binary MRPT format. </p>
</div>
</div>
<a class="anchor" id="a1b7e00957f3d9c15b2e689a43084e592"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::operator<<" ref="a1b7e00957f3d9c15b2e689a43084e592" args="(const CSerializable &obj)" -->
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<td class="memname"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a>& mrpt::utils::CStream::operator<< </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> & </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Write an object to a stream in the binary MRPT format. </p>
</div>
</div>
<a class="anchor" id="a47ecf9142e139b0b48526c2792bebe99"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::operator>>" ref="a47ecf9142e139b0b48526c2792bebe99" args="(CSerializablePtr &pObj)" -->
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<td class="memname"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a>& mrpt::utils::CStream::operator>> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structmrpt_1_1utils_1_1_c_serializable_ptr.html">CSerializablePtr</a> & </td>
<td class="paramname"><em>pObj</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="aeb5ef746d5dc057e535f5188c5e01d74"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::operator>>" ref="aeb5ef746d5dc057e535f5188c5e01d74" args="(CSerializable &obj)" -->
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<td class="memname"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a>& mrpt::utils::CStream::operator>> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> & </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="a1e02f8771e15e54157cda18fb63872a3"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::printf" ref="a1e02f8771e15e54157cda18fb63872a3" args="(const char *fmt,...) MRPT_printf_format_check(2" -->
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<td class="memname">virtual int mrpt::utils::CStream::printf </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>fmt</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>...</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [virtual, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Writes a string to the stream in a textual form. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_std_out_stream.html" title="This CStdOutStream derived class allow printing to standard out, normally the console text output...">CStdOutStream</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ab93e0c6185c8c3b82abd067962650947"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::printf_vector" ref="ab93e0c6185c8c3b82abd067962650947" args="(const char *fmt, const std::vector< T > &V)" -->
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template<typename T > </div>
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<td class="memname">virtual int void mrpt::utils::CStream::printf_vector </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>fmt</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>< T > & </td>
<td class="paramname"><em>V</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Prints a vector in the format [A,B,C,...] using <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1e02f8771e15e54157cda18fb63872a3" title="Writes a string to the stream in a textual form.">CStream::printf</a>, and the fmt string for <b>each</b> vector element. </p>
<p>Definition at line <a class="el" href="_c_stream_8h_source.html#l00219">219</a> of file <a class="el" href="_c_stream_8h_source.html">CStream.h</a>.</p>
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<a class="anchor" id="a637f65c35e202ccc0fd69ac0a2915a32"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::Read" ref="a637f65c35e202ccc0fd69ac0a2915a32" args="(void *Buffer, size_t Count)" -->
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<td class="memname">size_t mrpt::utils::CFileGZInputStream::Read </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>Buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [protected, virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Method responsible for reading from the stream. </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1ab0c4a0857bc41248808dc8b75d32d9">mrpt::utils::CStream</a>.</p>
</div>
</div>
<a class="anchor" id="a1b8cd3d084b5a95a3f65c6eed6e7cc6d"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::ReadBuffer" ref="a1b8cd3d084b5a95a3f65c6eed6e7cc6d" args="(void *Buffer, size_t Count)" -->
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<td class="memname">size_t mrpt::utils::CStream::ReadBuffer </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>Buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Reads a block of bytes from the stream into Buffer </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error, or if ZERO bytes are read. </td></tr>
</table>
</dd>
</dl>
</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>The amound of bytes actually read. </dd></dl>
<dl class="note"><dt><b>Note:</b></dt><dd>This method is endianness-dependent. </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aa38fe9bc49615cfae5de267903b2399b" title="Reads a block of bytes from the stream into Buffer, and returns the amound of bytes actually read...">ReadBufferImmediate</a> ; Important, see: <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ab3f8382b9a971abc79414464fffc7937" title="Reads a sequence of elemental datatypes, taking care of reordering their bytes from the MRPT stream s...">ReadBufferFixEndianness</a>, </dd></dl>
</div>
</div>
<a class="anchor" id="ab3f8382b9a971abc79414464fffc7937"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::ReadBufferFixEndianness" ref="ab3f8382b9a971abc79414464fffc7937" args="(T *ptr, size_t ElementCount)" -->
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template<typename T > </div>
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<td class="memname">size_t mrpt::utils::CStream::ReadBufferFixEndianness </td>
<td>(</td>
<td class="paramtype">T * </td>
<td class="paramname"><em>ptr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>ElementCount</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Reads a sequence of elemental datatypes, taking care of reordering their bytes from the MRPT stream standard (little endianness) to the format of the running architecture. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">ElementCount</td><td>The number of elements (not bytes) to read. </td></tr>
<tr><td class="paramname">ptr</td><td>A pointer to the first output element in an array (or std::vector<>, etc...). </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The amound of *bytes* (not elements) actually read (under error situations, the last element may be invalid if the data stream abruptly ends). Example of usage: <div class="fragment"><pre class="fragment"> uint32_t N;
s >> N;
vector<float> vec(N);
<span class="keywordflow">if</span> (N)
s.ReadBufferFixEndianness<<span class="keywordtype">float</span>>(&vec[0],N);
</pre></div> </dd></dl>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error, or if ZERO bytes are read. </td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ab3f8382b9a971abc79414464fffc7937" title="Reads a sequence of elemental datatypes, taking care of reordering their bytes from the MRPT stream s...">ReadBufferFixEndianness</a>, <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1b8cd3d084b5a95a3f65c6eed6e7cc6d" title="Reads a block of bytes from the stream into Buffer On any error, or if ZERO bytes are read...">ReadBuffer</a> </dd></dl>
<p>Definition at line <a class="el" href="_c_stream_8h_source.html#l00109">109</a> of file <a class="el" href="_c_stream_8h_source.html">CStream.h</a>.</p>
<p>References <a class="el" href="bits_8h_source.html#l00172">mrpt::utils::reverseBytesInPlace()</a>.</p>
<p>Referenced by <a class="el" href="ops__vectors_8h_source.html#l00163">mrpt::math::operator>>()</a>.</p>
</div>
</div>
<a class="anchor" id="aa38fe9bc49615cfae5de267903b2399b"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::ReadBufferImmediate" ref="aa38fe9bc49615cfae5de267903b2399b" args="(void *Buffer, size_t Count)" -->
<div class="memitem">
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<td class="memname">virtual size_t mrpt::utils::CStream::ReadBufferImmediate </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>Buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, virtual, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Reads a block of bytes from the stream into Buffer, and returns the amound of bytes actually read, without waiting for more extra bytes to arrive (just those already enqued in the stream). </p>
<p>Note that this method will fallback to <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1b8cd3d084b5a95a3f65c6eed6e7cc6d" title="Reads a block of bytes from the stream into Buffer On any error, or if ZERO bytes are read...">ReadBuffer()</a> in most <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html" title="This base class is used to provide a unified interface to files,memory buffers,..Please see the deriv...">CStream</a> classes but in some hardware-related classes. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error, or if ZERO bytes are read. </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented in <a class="el" href="classmrpt_1_1hwdrivers_1_1_c_interface_f_t_d_i.html#ad6585545a46cf2f851ff4a83aaf0c02d">mrpt::hwdrivers::CInterfaceFTDI</a>.</p>
<p>Definition at line <a class="el" href="_c_stream_8h_source.html#l00127">127</a> of file <a class="el" href="_c_stream_8h_source.html">CStream.h</a>.</p>
</div>
</div>
<a class="anchor" id="a290510e87656433dfd093cc31d34371c"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::ReadObject" ref="a290510e87656433dfd093cc31d34371c" args="()" -->
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<td class="memname"><a class="el" href="structmrpt_1_1utils_1_1_c_serializable_ptr.html">CSerializablePtr</a> mrpt::utils::CStream::ReadObject </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Reads an object from stream, its class determined at runtime, and returns a smart pointer to the object. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On I/O error or undefined class. </td></tr>
<tr><td class="paramname"><a class="el" href="classmrpt_1_1utils_1_1_c_exception_e_o_f.html" title="Used in mrpt::utils::CStream.">mrpt::utils::CExceptionEOF</a></td><td>On an End-Of-File condition found at a correct place: an EOF that abruptly finishes in the middle of one object raises a plain <a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a> instead. </td></tr>
</table>
</dd>
</dl>
<p>Referenced by <a class="el" href="ops__matrices_8h_source.html#l00062">mrpt::math::operator>>()</a>.</p>
</div>
</div>
<a class="anchor" id="a097cb147fd764a0fa7d86de9734fce3c"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::ReadObject" ref="a097cb147fd764a0fa7d86de9734fce3c" args="(CSerializable *existingObj)" -->
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<td class="memname">void mrpt::utils::CStream::ReadObject </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> * </td>
<td class="paramname"><em>existingObj</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Reads an object from stream, where its class must be the same as the supplied object, where the loaded object will be stored in. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On I/O error or different class found. </td></tr>
<tr><td class="paramname"><a class="el" href="classmrpt_1_1utils_1_1_c_exception_e_o_f.html" title="Used in mrpt::utils::CStream.">mrpt::utils::CExceptionEOF</a></td><td>On an End-Of-File condition found at a correct place: an EOF that abruptly finishes in the middle of one object raises a plain <a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a> instead. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a95eb299dfa91e1d5962e2acd5bb671a6"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::receiveMessage" ref="a95eb299dfa91e1d5962e2acd5bb671a6" args="(utils::CMessage &msg)" -->
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<td class="memname">bool mrpt::utils::CStream::receiveMessage </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classmrpt_1_1utils_1_1_c_message.html">utils::CMessage</a> & </td>
<td class="paramname"><em>msg</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Tries to receive a message from the device. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On communication errors </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>True if successful, false if there is no new data from the device (but communications seem to work fine) </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd>The frame <a class="el" href="namespacemrpt.html#a3a27af794b658df5491e2b7678f8ccb8" title="A std::string version of C sprintf.">format</a> is described in <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a108c4d9cadd58b1ec0800c6c4816ff55" title="Send a message to the device.">sendMessage()</a> </dd></dl>
</div>
</div>
<a class="anchor" id="a763abd781d2aee800ded553f57fa096d"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::Seek" ref="a763abd781d2aee800ded553f57fa096d" args="(long Offset, CStream::TSeekOrigin Origin=sFromBeginning)" -->
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<td class="memname">uint64_t mrpt::utils::CFileGZInputStream::Seek </td>
<td>(</td>
<td class="paramtype">long </td>
<td class="paramname"><em>Offset</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059">CStream::TSeekOrigin</a> </td>
<td class="paramname"><em>Origin</em> = <code>sFromBeginning</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>This method is not implemented in this class. </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a2f3bc9d222cb31abf8d759591142fe84">mrpt::utils::CStream</a>.</p>
<p>Definition at line <a class="el" href="_c_file_g_z_input_stream_8h_source.html#l00109">109</a> of file <a class="el" href="_c_file_g_z_input_stream_8h_source.html">CFileGZInputStream.h</a>.</p>
<p>References <a class="el" href="mrpt__macros_8h_source.html#l00131">THROW_EXCEPTION</a>.</p>
</div>
</div>
<a class="anchor" id="a108c4d9cadd58b1ec0800c6c4816ff55"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::sendMessage" ref="a108c4d9cadd58b1ec0800c6c4816ff55" args="(const utils::CMessage &msg)" -->
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<td class="memname">void mrpt::utils::CStream::sendMessage </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_message.html">utils::CMessage</a> & </td>
<td class="paramname"><em>msg</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Send a message to the device. </p>
<p>Note that only the low byte from the "type" field will be used.</p>
<p>For frames of size < 255 the frame format is an array of bytes in this order: </p>
<div class="fragment"><pre class="fragment"> <START_FLAG> <HEADER> <LENGTH> <BODY> <END_FLAG>
<START_FLAG> = 0x69
<HEADER> = A header byte
<LENGHT> = Number of bytes of BODY
<BODY> = N x bytes
<END_FLAG> = 0X96
Total length = <LENGTH> + 4
</pre></div><p>For frames of size > 255 the frame format is an array of bytes in this order: </p>
<div class="fragment"><pre class="fragment"> <START_FLAG> <HEADER> <HIBYTE(LENGTH)> <LOBYTE(LENGTH)> <BODY> <END_FLAG>
<START_FLAG> = 0x79
<HEADER> = A header byte
<LENGHT> = Number of bytes of BODY
<BODY> = N x bytes
<END_FLAG> = 0X96
Total length = <LENGTH> + 5
</pre></div><dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On communication errors </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a5d368865a45491a8de705b5665da02f5"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::Write" ref="a5d368865a45491a8de705b5665da02f5" args="(const void *Buffer, size_t Count)" -->
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<td class="memname">size_t mrpt::utils::CFileGZInputStream::Write </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"><em>Buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [protected, virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Method responsible for writing to the stream. </p>
<p>Write attempts to write up to Count bytes to Buffer, and returns the number of bytes actually written. </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a171c27fa5b26f5486d34bcbca550cb91">mrpt::utils::CStream</a>.</p>
</div>
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<a class="anchor" id="a276005e7110c9de74ff3277b3f7bf621"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::WriteBuffer" ref="a276005e7110c9de74ff3277b3f7bf621" args="(const void *Buffer, size_t Count)" -->
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<td class="memname">void mrpt::utils::CStream::WriteBuffer </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"><em>Buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Writes a block of bytes to the stream from Buffer. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error </td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd>Important, see: <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ae229ab566ba2b9e6d2c39e32c2a9ecab" title="Writes a sequence of elemental datatypes, taking care of reordering their bytes from the running arch...">WriteBufferFixEndianness</a> </dd></dl>
<dl class="note"><dt><b>Note:</b></dt><dd>This method is endianness-dependent. </dd></dl>
</div>
</div>
<a class="anchor" id="ae229ab566ba2b9e6d2c39e32c2a9ecab"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::WriteBufferFixEndianness" ref="ae229ab566ba2b9e6d2c39e32c2a9ecab" args="(const T *ptr, size_t ElementCount)" -->
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template<typename T > </div>
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<td class="memname">void mrpt::utils::CStream::WriteBufferFixEndianness </td>
<td>(</td>
<td class="paramtype">const T * </td>
<td class="paramname"><em>ptr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>ElementCount</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Writes a sequence of elemental datatypes, taking care of reordering their bytes from the running architecture to MRPT stream standard (little endianness). </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">ElementCount</td><td>The number of elements (not bytes) to write. </td></tr>
<tr><td class="paramname">ptr</td><td>A pointer to the first input element in an array (or std::vector<>, etc...). Example of usage: <div class="fragment"><pre class="fragment"> vector<float> vec = ...
uint32_t N = vec.size();
s << N
<span class="keywordflow">if</span> (N)
s.WriteBufferFixEndianness<<span class="keywordtype">float</span>>(&vec[0],N);
</pre></div> </td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error </td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a276005e7110c9de74ff3277b3f7bf621" title="Writes a block of bytes to the stream from Buffer.">WriteBuffer</a> </dd></dl>
<p>Definition at line <a class="el" href="_c_stream_8h_source.html#l00153">153</a> of file <a class="el" href="_c_stream_8h_source.html">CStream.h</a>.</p>
</div>
</div>
<a class="anchor" id="aa0e9fb01aaced829b0043d50bf616c03"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::WriteObject" ref="aa0e9fb01aaced829b0043d50bf616c03" args="(const CSerializable *o)" -->
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<td class="memname">void mrpt::utils::CStream::WriteObject </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> * </td>
<td class="paramname"><em>o</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Writes an object to the stream. </p>
</div>
</div>
<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="a7617f22613148e60ba152b58b1f7b63c"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::m_f" ref="a7617f22613148e60ba152b58b1f7b63c" args="" -->
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<td class="memname">void* <a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#a7617f22613148e60ba152b58b1f7b63c">mrpt::utils::CFileGZInputStream::m_f</a><code> [private]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="_c_file_g_z_input_stream_8h_source.html#l00065">65</a> of file <a class="el" href="_c_file_g_z_input_stream_8h_source.html">CFileGZInputStream.h</a>.</p>
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<a class="anchor" id="afeacf25bc9181694b0c2dadd2247e87e"></a><!-- doxytag: member="mrpt::utils::CFileGZInputStream::m_file_size" ref="afeacf25bc9181694b0c2dadd2247e87e" args="" -->
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<td class="memname">uint64_t <a class="el" href="classmrpt_1_1utils_1_1_c_file_g_z_input_stream.html#afeacf25bc9181694b0c2dadd2247e87e">mrpt::utils::CFileGZInputStream::m_file_size</a><code> [private]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Compressed file size. </p>
<p>Definition at line <a class="el" href="_c_file_g_z_input_stream_8h_source.html#l00066">66</a> of file <a class="el" href="_c_file_g_z_input_stream_8h_source.html">CFileGZInputStream.h</a>.</p>
</div>
</div>
</div>
<br><hr><br> <table border="0" width="100%"> <tr> <td> Page generated by <a href="http://www.doxygen.org" target="_blank">Doxygen 1.7.5</a> for MRPT 0.9.5 SVN: at Sun Sep 25 17:20:18 UTC 2011</td><td></td> <td width="100"> </td> <td width="150"> </td></tr> </table> </body></html>
